 | | Re: set 8074 question
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(...) Check out peeron: (URL) 75 DkGray Technic Flex-System Hose (Pic) 14L 1 75 DkGray Technic Flex-System Hose (Pic) 5L 1 75 DkGray Technic Flex-System Hose (Pic) 6L multiply the length of the tubes by 8mm (20 years ago, 8-Dec-04, to lugnet.technic)
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| | Re: The Great Ball Contraption (was Re: Rolling ball clock revisited)
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(...) One thing Steve forgot - think constant noise. Constant, *constant* noise. But it is a lot of fun... (20 years ago, 8-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Dennis Bossman
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I like the flat bed truck model with the back-hoe on it. I can't remember where the link is to the picture, but remember it well. Is it on a website? (20 years ago, 8-Dec-04, to lugnet.technic)
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| | The Great Ball Contraption (was Re: Rolling ball clock revisited)
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(...) This announcement isn't quite ready, but while we're on the subject of rolling [soccer] balls, I figured I'd leak out a bit of info. We're working on a standard (currently in testing) for modules for "The Great Ball Contraption." Think Rube (...) (20 years ago, 8-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: RCX has a fast clock, was Re: Rolling ball clock revisited
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(...) As David Ward suggested me, the oscillator is most probably equipped with a ceramic resonator with built-in capacitors. This explains the low precision of the clock (tolerance for ceramic resonators is in the 1% range while for crystals it is (...) (20 years ago, 8-Dec-04, to lugnet.technic, lugnet.robotics)
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| | RCX has a fast clock, was Re: Rolling ball clock revisited
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Hello dave, (...) A made an experiment this night using a RCX 2.0, the clock was fast by about 10s per hour. I suppose that this problem comes from bad capacitor loading of the crystal used on RCX. Crystals need to see some capacitance to oscillate (...) (20 years ago, 8-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: Rolling ball clock revisited
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Hi Rob, (...) I tried a similar mechanism (a large inclined plane with a width reduction in the end), the problem is that LEGO balls are somewhat rough, and they tend to form a locked arch above width shrinking. I even tried to add a stirring (...) (20 years ago, 8-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: Rolling ball clock revisited
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(...) Thanks, Bob! I hope you'll get as much pleasure building my arm as I got building your clock... Philo (20 years ago, 8-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: Rolling ball clock revisited
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"David Eaton" <deaton@intdata.com> wrote in message news:I8DHDr.u1s@lugnet.com... (...) Not exactly what I was thinking, but you're close. If you stick your bendy straw in your 1/2 pint chocolate milk and then turn it upside-down, that's more of (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: Rolling ball clock revisited
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(...) So, what exactly is a gravity tube? Maybe you mean something like: Empty Full Half-full | | |o| | | | | |o| | | | | |o| |o| | |___ |o|___ |o|___ |_____ |o____ |o____ Hence, when a ball comes in (from bottom right of the tube), it pushes a ball (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: Rolling ball clock revisited
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"Philippe Hurbain" <philohome@free.fr> wrote in message news:I8CKBA.152q@lugnet.com... (...) Awesome work, both of you! As for the mechanism occasionally not picking up a ball: Instead of having the bucket grab a ball from the bin, why not have a (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: RC Lego, how is the best?
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Hello, (...) the (...) best. (...) If you want to go outside, you definitly want the Dirt Crusher... See my other message: (URL) Maico Arts (20 years ago, 7-Dec-04, to lugnet.technic)
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| | Re: Rolling ball clock revisited
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(...) I love it! Very nicely done! It was interesting to read this bit off your website-- " The problem should have been very simple: each minute, start the elevator until a ball is detected by one sensor. Unfortunately, my first try over a several (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics, FTX)
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| | Re: Rolling ball clock revisited
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i have been waiting to see if some one would put my LDraw files to go use. i see many good modifications too! i will have to go home and try some of these modifications to my clock. i especially like the fix to prevent 2 balls form lifting, the ball (...) (20 years ago, 7-Dec-04, to lugnet.technic, lugnet.robotics)
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| | Re: set 8074 question
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(...) What about the grey flex tubes? (20 years ago, 7-Dec-04, to lugnet.technic)
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| | Rolling ball clock revisited
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I finally rebuilt (URL) Bob Kojima's rolling ball clock> with RCX control (and other minor modifications) (URL) Description of these modifications, program, photos, videos are (URL) here> Special thanks to Bob for the time spent to LDraw his (...) (20 years ago, 7-Dec-04, to lugnet.announce.moc, lugnet.technic, lugnet.robotics, FTX)
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| | Re: set 8074 question
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(...) 2 x 5.6cm 1 x 7.2cm 4 x 8.8cm 1 x 10.4cm 2 x 15.2cm ROSCO (20 years ago, 7-Dec-04, to lugnet.technic)
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| | set 8074 question
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Can someone who has the set measure the flex cables and tell me how long they are in milimeters? (20 years ago, 7-Dec-04, to lugnet.technic)
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| | Re: Hailfire Droid wheel explorations
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In lugnet.build, Ray Sanders wrote: Version 2: now I have hard points on one side to attach it to something... and I have complete clearance on the edge on the wheel... (URL) The two halves are held together with eight p/n 32207 ( apparently a ZNAP (...) (20 years ago, 7-Dec-04, to lugnet.build, lugnet.technic, lugnet.znap, FTX)
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| | Re: RC Lego, how is the best?
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(...) I haven't had the pleasure of the two new "outdoors" RCs yet but must say the supersonic is the best indoors. As it has no susspension, it handels the best. The hot flame does wheel stands which hinder racing i find the camber of the front (...) (20 years ago, 7-Dec-04, to lugnet.technic)
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